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Legal status
Patent in force
| (51) | INT.CL. | G01C 21/20 | (2006.01) |
| G01C 21/22 | (2006.01) | ||
| G02B 23/18 | (2006.01) | ||
| B63B 49/00 | (2006.01) |
| (11) | Number of the document | 3797260 |
| (13) | Kind of document | T |
| (96) | European patent application number | 19732082.3 |
| Date of filing the European patent application | 2019-05-23 | |
| (97) | Date of publication of the European application | 2021-03-31 |
| (45) | Date of publication and mention of the grant of the patent | 2023-06-07 |
| (46) | Date of publication of the claims translation |
| (86) | Number | PCT/GB2019/051428 |
| Date | 2019-05-23 |
| (87) | Number | WO 2019/224549 |
| Date | 2019-11-28 |
| (30) | Number | Date | Country code |
| 201808480 | 2018-05-23 | GB |
| (72) |
BRANSBY, Martin , GB
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| (73) |
The Corporation of Trinity House of Deptford
Strond ,
Tower Hill, London EC3N 4DH,
GB
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| (54) | A POSITIONING SYSTEM AND METHOD |
| A POSITIONING SYSTEM AND METHOD |